X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fvideo%2Fnvidia%2Fnvidia.c;h=74517b1b26a6d2bfd8c7c79fa018b86df2b20dc3;hb=d870ec7281d8429ab17d2e0324f4d8ca3f3de62d;hp=a7fe214f0f77d816308390dd3828ec4fe9af8583;hpb=0d090b6819e3559dabb05773c4a6dacc4fa94d0e;p=linux-2.6

diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index a7fe214f0f..74517b1b26 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -79,6 +79,7 @@ static int noscale __devinitdata = 0;
 static int paneltweak __devinitdata = 0;
 static int vram __devinitdata = 0;
 static int bpp __devinitdata = 8;
+static int reverse_i2c __devinitdata;
 #ifdef CONFIG_MTRR
 static int nomtrr __devinitdata = 0;
 #endif
@@ -848,9 +849,27 @@ static int nvidiafb_check_var(struct fb_var_screeninfo *var,
 	if (!mode_valid && info->monspecs.modedb_len)
 		return -EINVAL;
 
+	/*
+	 * If we're on a flat panel, check if the mode is outside of the
+	 * panel dimensions. If so, cap it and try for the next best mode
+	 * before bailing out.
+	 */
 	if (par->fpWidth && par->fpHeight && (par->fpWidth < var->xres ||
-					      par->fpHeight < var->yres))
-		return -EINVAL;
+					      par->fpHeight < var->yres)) {
+		const struct fb_videomode *mode;
+
+		var->xres = par->fpWidth;
+		var->yres = par->fpHeight;
+
+		mode = fb_find_best_mode(var, &info->modelist);
+		if (!mode) {
+			printk(KERN_ERR PFX "mode out of range of flat "
+			       "panel dimensions\n");
+			return -EINVAL;
+		}
+
+		fb_videomode_to_var(var, mode);
+	}
 
 	if (var->yres_virtual < var->yres)
 		var->yres_virtual = var->yres;
@@ -1305,6 +1324,7 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd,
 	par->CRTCnumber = forceCRTC;
 	par->FpScale = (!noscale);
 	par->paneltweak = paneltweak;
+	par->reverse_i2c = reverse_i2c;
 
 	/* enable IO and mem if not already done */
 	pci_read_config_word(pd, PCI_COMMAND, &cmd);
@@ -1486,6 +1506,8 @@ static int __devinit nvidiafb_setup(char *options)
 			noaccel = 1;
 		} else if (!strncmp(this_opt, "noscale", 7)) {
 			noscale = 1;
+		} else if (!strncmp(this_opt, "reverse_i2c", 11)) {
+			reverse_i2c = 1;
 		} else if (!strncmp(this_opt, "paneltweak:", 11)) {
 			paneltweak = simple_strtoul(this_opt+11, NULL, 0);
 		} else if (!strncmp(this_opt, "vram:", 5)) {
@@ -1582,6 +1604,8 @@ MODULE_PARM_DESC(mode_option, "Specify initial video mode");
 module_param(bpp, int, 0);
 MODULE_PARM_DESC(bpp, "pixel width in bits"
 		 "(default=8)");
+module_param(reverse_i2c, int, 0);
+MODULE_PARM_DESC(reverse_i2c, "reverse port assignment of the i2c bus");
 #ifdef CONFIG_MTRR
 module_param(nomtrr, bool, 0);
 MODULE_PARM_DESC(nomtrr, "Disables MTRR support (0 or 1=disabled) "